Bump pnpm/action-setup from 3 to 4

Bumps [pnpm/action-setup](https://github.com/pnpm/action-setup) from 3 to 4.
- [Release notes](https://github.com/pnpm/action-setup/releases)
- [Commits](pnpm/action-setup@v3...v4)

---
updated-dependencies:
- dependency-name: pnpm/action-setup
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

action.yaml

@@ -38,7 +38,7 @@ runs:
         echo "//npm.pkg.github.com/:_authToken=${{ inputs.github-packages-token }}" >> .npmrc
 
     - name: Setup pnpm
-      uses: pnpm/action-setup@v3
+      uses: pnpm/action-setup@v4
       with:
         version: ${{ inputs.pnpm-version }}
         run_install: ${{ inputs.install-deps }}